JP4240798B2 - Wireless operation system for stage equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wireless operation system for a stage apparatus.
[0002]
[Prior art]
Theater equipment includes so-called stage devices such as a hanging device installed on the stage ceiling to change the scene, and a floor device installed on the stage surface. The operator performs a desired driving operation by operating an operation panel for operating and operating the stage device in accordance with instructions from the director / stage director (hereinafter referred to as this operation). Is referred to as “preparation”).
[0003]
An outline of a conventional stage apparatus operating system will be described with reference to FIG.
FIG. 7 is a schematic explanatory diagram of a conventional operating system for a stage apparatus.
[0004]
10 is a director or stage director who manages selection, operation, and operation of the stage device, 12 is an operator who specifically operates the stage device according to instructions of the stage director 10, and 6 is a plurality of CRTs. An operation panel comprising a display and integrated with various switches that are operated by the operator 12 to give specific operation, operation, and other commands to the stage apparatus, and 7 is operated by an instruction from the operation panel 6 and the stage apparatus The control PLC which controls the action | operation of is shown.
[0005]
Reference numeral 8 denotes a motor, which is controlled and operated by the control PLC 7 to move the baton 9. Reference numeral 11 denotes a monitor. Movement of the stage device operated by the operation of the operator 12 is performed by the stage director 10. It has a role of comprehensively checking whether it is properly performed in accordance with the instructions of the above, and whether there is any abnormality or failure in the entire apparatus.
[0006]
That is, in the operation of the stage apparatus, the stage director 10, the monitor 11 and the operator 12 play a central role, and the stage in which the operator 12 is instructed on the operation panel 6 by the director or the stage director 10. The device is selected, safety is confirmed while keeping in touch with the monitor 11, and the corresponding device is operated.
[0007]
[Problems to be solved by the invention]
However, when operating the stage apparatus described above, if the operation panel 6 is separated from the operation target device (there may be an operation room), the operator 12 cannot see the operation device on the stage and Since the operation is performed only by the instruction of the monitor 11, great tension is imposed at the time of preparation.
[0008]
As a measure for relieving such tension, for example, as disclosed in Japanese Utility Model Laid-Open No. 06-086800, display is made at an appropriate position of each lifting device so that the correct lifting device can be selected and moved up and down. A device is provided such that a lamp is provided to light the indicator lamp so that it can be easily determined even when the hanging tool to be operated is appropriate or dark.
[0009]
However, in order to shorten the preparation time on the stage, stage production tools such as curtains, background paintings, large tools, etc. and lighting equipment are being suspended simultaneously, and the operation of the hanging mechanism is concentrated on the operation panel 6. The fact is that there are many cases.
[0010]
Therefore, in such a conventional method, the operator 12 has to perform the operation of hanging the tool and the lighting at the same time, and the operation becomes complicated, and the operator 12 is finely prepared as instructed by the director and the stage director 10. There is a problem that it is difficult to make accurate adjustments accurately and safely.
[0011]
The present invention eliminates the above-described conventional problems, and provides a wireless operation system for a stage apparatus that can be adjusted safely and quickly, with detailed and easy adjustments according to instructions from the director and stage director. The issue is to provide.
[0012]
[Means for Solving the Problems]
The present invention has been made to solve the above-mentioned problems, and as a first means, setting of a stage apparatus , Driving Made A handy terminal that issues a wireless LAN command having a function, an access point that is a receiver that receives the command of the handy terminal, a wirelessly-operated host PC, and the access point and the wirelessly-operated host PC A wireless operation system for a stage apparatus having a wireless operation LAN for performing communication as a basic configuration is provided.
[0013]
That is, according to the first means, First, Handy terminal commands are received at the access point, communicated to the wirelessly-operated host PC via the wirelessly-operated LAN, and the stage device is operated under the desired settings and driving operations. A wireless operation system for a stage apparatus that can be freely operated from an optimal operation location without considering the above is obtained.
[0014]
In addition to the above, in the first means, the handy terminal includes a liquid crystal display, an operation key, a driving switch, a wireless communication antenna and a battery, Includes current position display, selection of driving equipment for the stage device, and driving operation The present invention provides a wireless operation system for a stage apparatus in which setting items of all devices can be displayed for each driving device.
[0015]
That is, 1 According to the means, the handy terminal that issues the setting / driving operation command of the stage apparatus is literally a handy type equipped with a liquid crystal display, operation keys, a driving switch, a wireless communication antenna and a battery. The operator who owns this handy terminal is not restrained by the operation panel, and finely adjusts the stage equipment while accurately reflecting the instructions of the director / stage director regardless of the location of the theater and the stage. It becomes possible to operate quickly, and the stage apparatus can be operated safely and quickly.
[0016]
Further, in the first means, in addition to the above, the handy terminal Give instructions to the wireless LAN In addition to providing commands to the wireless LAN in addition to the operation panel that can communicate with the handy terminal, restrictions on the devices that can be set for operation with the handy terminal using the operation panel, allocation of devices and operating ranges that are operated with the handy terminal It is intended to provide a wireless operation system for a stage apparatus that can execute the above.
[0017]
That is, 1 According to the above means, by selecting and executing one or both of restriction of devices that can be set for operation with the handy terminal from the operation panel that can communicate with the handy terminal and allocation of the devices to be operated and the operation range, the operation can be performed. When an operator is using the control panel, it should be ensured that no operation will occur even if a handy terminal is used by someone other than the operator. Select a response such as that a person can drive the equipment, or that the operator can operate different devices at the same time while the operator is using the control panel. The range of operations can be expanded.
[0018]
And again In the first means Said The host PC for wireless operation is also connected to the control PLC, and the handy terminal , Host PC and control PLC Respectively of Fixed period during operation In The counter for confirmation The communication confirmation counter is exchanged between the handy terminal and the wirelessly operated host PC and between the wirelessly operated host PC and the control PLC. A wireless operation system for a stage apparatus that can be compared is provided.
[0019]
That is, 1 According to the means of The handy terminal, the host PC, and the control PLC transmit a communication confirmation counter at regular intervals during each driving operation, Between the handy terminal and the wirelessly operated host PC and between the wirelessly operated host PC and the control PLC, Send and receive the communication confirmation counter By comparing the wireless communication host PC and the handy terminal, the wireless operation host PC and the control PLC are consistent with each other. As a result, the operation command output to the control PLC is stopped and the operation target device is automatically decelerated and stopped to ensure safety.
[0020]
The second 2 As the means, 1 In the above means, the handy terminal further provides a wireless operation system for a stage apparatus provided with a deadman switch for enabling the operation of the handy terminal.
[0021]
That is, 2 According to this means, the handy terminal is further equipped with a deadman switch. When the operator becomes unable to operate due to unforeseen circumstances, when the deadman switch is released, the device to be operated is automatically decelerated and stopped. It is intended to increase.
[0022]
And again 3 As the means, 1 In this means, the handy terminal provides a cart-type wireless operation system for a stage device mounted on a moving cart instead of a hand-held type handheld by an operator.
[0023]
That is, 3 According to the means, the handy terminal can be changed from a so-called handy type hand held by an operator to a cart type mounted on a moving cart, and the portability is improved by replacing with a cart type terminal. The scope of application can be changed and expanded.
[0024]
DETAILED DESCRIPTION OF THE INVENTION
Implementation of the present invention The basic assumption of the form of A form is demonstrated based on FIG. 1 thru | or FIG.
Figure 1 shows a book Basic FIG. 2 is an overall conceptual diagram of a wireless operation system for a stage apparatus, FIG. 3 is a schematic diagram of a handy terminal, and FIG. 4 is a data flow diagram of the wireless operation system for a stage apparatus. It is.
[0025]
In addition, in order not to make the description redundant, the same parts as those of the conventional one described above are denoted by the same reference numerals in the drawing, and redundant descriptions are omitted. Basic The point peculiar to a form is explained mainly.
[0026]
Ie book Basic In the embodiment, in order to perform wireless operation of the stage apparatus, it is a matter of special mention that the handy terminal 1 of the wireless operation system is adopted first, and the handy terminal 1 has a structure shown in FIG.
[0027]
In FIG. 3, 13 is a liquid crystal display for selecting / displaying driving equipment / direction / target position, 14 is an operation key for inputting driving equipment / direction / target position, and 15 is a driving switch. Thus, the operation switch 15 has a structure that stops when the selected device is operated by a push-off operation and stops or is operated by an operation button and stops when the stop button is pressed.
[0028]
Reference numeral 16 denotes an antenna for wireless communication, a wireless communication antenna capable of transmitting and receiving a wireless LAN, 17 a battery for supplying power to the handy terminal, and 18 a deadman switch which is an operation permission switch that is effective only while being pressed.
[0029]
Book Basic In addition to the handy terminal 1, the form receives the signal via the access point 2, which is a receiver for receiving a command signal from the handy terminal 1, as shown in FIG. It has a wirelessly-operated host PC 4 that receives various operating status signals, collects various data, monitors the operation of the stage apparatus, assigns stage apparatus selection devices, and the like.
[0030]
The related structure between the handy terminal 1 and the baton 9 which is one of the stage apparatuses will be described with reference to FIG. 2. The access point 2 has an access point 2A, an access point, for example, depending on the size of the theater and the stage apparatus. A plurality of access points 2A and 2B may be provided as indicated by 2B, and the access point 2A and the access point 2B are connected to the host PC 4 for the wireless operation via the LAN 3 for wireless operation to constitute a wireless operation system part.
[0031]
In addition, the host PC 4 for the wireless operation constitutes the wireless operation system part, and has an operation panel 6 that includes a plurality of CRT displays and is aggregated with a number of switches that are separately operated by an operator or the like to generate various control commands. , And a control network 5 (corresponding to a stage control system unit) connected to a control PLC 7 or the like for controlling the operation motor 8 or the like of the baton 9 or the like.
[0032]
Book Basic Since the form is configured as described above, the operation of various devices of the stage apparatus by the handy terminal 1 is basically proceeded as described below.
[0033]
The operator 12 who has received an instruction from the director or the stage director 10 selects an operable device displayed on the liquid crystal display 13 of the handy terminal 1 with the operation key 14, and then selects the target position or driving of the selected stage device. The direction is input with the operation key 14, and “set” is input with the predetermined operation key 14 when the predetermined selection is completed.
[0034]
By the above operation, setting data is transmitted from the wireless communication antenna 16, and the setting data is transmitted from any access point 2 in the access point 2A or 2B to the wireless operation host PC 4 via the LAN 3 for wireless operation. Received.
[0035]
When the host PC 4 for wireless operation determines that it can be operated based on the received driving device data and the control information obtained from the control network 5, it sets the driving device to the control PLC 7 via the control network 5.
[0036]
Next, when the control PLC 7 establishes the operation conditions, the wireless operation host PC 4 is notified of the operation OK signal via the control network 5, and the wireless operation host PC 4 receives the received operation OK signal for wireless operation. The call is transmitted from the access point 2 to the handy terminal 1 via the LAN 3.
[0037]
The handy terminal 1 displays an operation OK command received by the wireless communication antenna 16 on the liquid crystal display 13, and the operation switch 15 can be operated, thereby completing the preparation for the operation of the stage apparatus.
[0038]
Here, when the operator 12 confirms safety and presses the operation switch 15 of the wireless handy terminal 1, the operation command transmitted from the wireless communication antenna 16 is wirelessly operated from the access point 2 via the LAN 3 for wireless operation. Received by the host PC 4.
[0039]
The wirelessly operated host PC 4 notifies the control PLC 7 of an operation command for the handy terminal 1 via the control network 5, and the control PLC 7 starts operation of a device set in advance in the handy terminal 1, that is, a predetermined stage apparatus.
[0040]
While the operator 12 keeps pressing the operation switch 15 of the handy terminal 1, the host PC 4 for wireless operation notifies the control PLC 7 of an operation command, and continuous operation is performed up to a preset target position.
[0041]
When the operator 12 stops pressing the operation switch 15 of the handy terminal 1 or releases the deadman switch 18, the set device is automatically stopped even if the target position is not reached.
[0042]
Book like this Basic According to the wireless operation system of the stage apparatus in the form, the operator 12 who owns the handy terminal 1 is linked with the handy terminal 1 and the operation panel 6, the host PC 4 for wireless operation, and the control PLC 7 via the handy terminal 1. Regardless of where the operator 12 is located in the theater or stage, it is possible to operate the stage device, baton 9 and other tools necessary for production while accurately reflecting the instructions of the director and the stage director 10 It becomes possible.
[0043]
Book Basic According to the form, the stage device while accurately reflecting the instructions of the director / stage director 10 through the handy terminal 1 regardless of the location of the operator 12 who owns the handy terminal 1 in the theater or stage. It is possible to quickly operate fine adjustment while observing tools necessary for production such as baton 9, etc., and since this series of operations is performed wirelessly, it is optimally suited without worrying about troublesome cable handling etc. It is possible to select an appropriate operation place and drive safely and quickly.
[0044]
Next, the implementation of the present invention one A form is demonstrated based on FIG. 5, FIG.
FIG. 5 is a conceptual diagram showing a communication status confirmation method in the wireless operation system for a stage apparatus according to the present embodiment, and FIG. 6 is a schematic diagram of a cart type terminal.
[0045]
In the present embodiment, the above-mentioned Basic The wireless operation system of the stage apparatus described in the embodiment is added with the setting of the driving function that prevents erroneous operation, and the above except for the additional part Basic Since it is the same as the form, the same part is not described so that the description is not redundant. Basic The explanation in the form is fully used, the duplicate explanation is omitted, and the additional part is explained below.
[0046]
That is, in the present embodiment, the handy terminal 1 and the handy terminal 1 are fully equipped, and the handy terminal 1 functions in parallel to give a command to the wireless LAN 3 and can communicate with the handy terminal 1. The operation panel 6 is added with an operation function setting that prevents the erroneous operation.
[0047]
In the handy terminal 1, it is possible to input a password for limiting the operator 12 who handles the handy terminal 1, the operation panel 6 can be used to permit the use of the handy terminal 1, and the operation panel 6 allows the operation mode of the handy terminal 1 to be operated. It is configured to enable selection operation.
[0048]
In addition, the operation mode of the handy terminal 1 is selected by the operation panel 6 so that the following three modes can be selected.
(1) “All device operation mode” in which all devices can be selected and operated on the handy terminal 1.
(2) “Operation range limited mode” in which devices that can be operated with the handy terminal 1 are limited by the operation panel 6 and devices within the limited range can be selected and operated.
(3) The “operating device designation mode” in which the device operated by the handy terminal 1 is set and operated by the operation panel 6 (in this case, the device other than the set device cannot be operated).
[0049]
Since the present embodiment is configured as described above, it can be operated as follows to perform operation function setting / operation restriction from the operation panel 6, and other than the operator 12 uses the handy terminal 1. Even so, there will be no misoperation.
[0050]
The operator 12 can restrict the devices that can be set for operation on the handy terminal 1 by the operation panel 6, and an erroneous operation can be performed even if the handy terminal 1 is used by anyone other than the operator 12 while the operator 12 is using the operation panel 6. Prevent it from happening.
[0051]
An operator 12 can preliminarily assign a device to be operated on the handy terminal 1 and an operation range to the handy terminal 1 by using the operation panel 6. In the handy terminal 1, the operation direction is selected with the operation key 14, and the operation switch 15 is turned on. A person other than the operator 12 can operate the device just by pressing.
[0052]
The operator 12 can use the operation panel 6 to restrict the devices that can be set for operation on the handy terminal 1 and to assign the devices operated on the handy terminal 1 and the operation range to the handy terminal 1 in advance. While the operator 12 is using the operation panel 6, a person other than the operator 12 can simultaneously operate different devices on the handy terminal 1.
[0053]
When the operator 12 sets operation conditions on the operation panel 6, the handy terminal 1 can be used only for the first time, and password management makes it possible for anyone other than those involved to freely use the handy terminal 1.
[0054]
As shown also in FIG. 5, it is transmitted with the operation command signal transmitted from the handy terminal 1 at a fixed period during the driving operation between the handy terminal 1 and the host PC 4 for wireless operation and between the host PC 4 for wireless operation and the control PLC 7 respectively. By comparing the communication confirmation counters, the consistency of communication between the wireless operation host PC 4 and the handy terminal 1 and between the wireless operation host PC 4 and the control PLC 7 is ensured.
[0055]
At this time, if the consistency cannot be obtained a certain number of times, the host PC 4 for wireless operation has a safety function for stopping the operation command output to the control PLC 7 as a communication abnormality and automatically decelerating and stopping the operation target device.
[0056]
In addition, by providing a deadman switch 18 for enabling the operation of the handy terminal 1, if the operator 12 becomes unable to operate due to an unexpected situation, the operation target device is automatically decelerated when the deadman switch 18 is released. It has a safety function to stop it.
[0057]
Here, the handy terminal 1 is Basic As described with reference to FIG. 3, a so-called handy type device that is held and operated by the operator 12 has been described, but this device is not limited to the handy type and is shown in FIG. 7. In this way, the handy terminal 1 can be replaced with a cart-type terminal mounted on a moving cart, and the terminal can have substantially the same performance as the operation panel 6 (partial function restrictions can be provided). Is possible.
[0058]
As described above, according to the wireless operation system of the stage apparatus in the present embodiment, the operation panel 6 can limit the devices that can be set for operation on the handy terminal 1, assign the devices that are operated on the handy terminal 1 and the operation range, and the like. In the same manner, by providing the operation panel 6 with a function for restricting the operating equipment, it is possible to prevent erroneous operation, and it is possible to allow a person other than the operator 12 to operate equipment in a range in which safety is confirmed, and a plurality of devices can be operated simultaneously. Personnel can drive in multiple locations.
[0059]
In addition, by transmitting and receiving a communication confirmation counter between the handy terminal 1 and the wirelessly operated host PC 4 and between the wirelessly operated host PC 4 and the control PLC 7 respectively, the radio wave condition during driving deteriorates, If there is a reception failure, a safety function is provided that automatically decelerates and stops the operating device by judging that the communication is abnormal.
[0060]
In addition, by providing a deadman switch 18 for enabling the operation of the handy terminal 1, if the operator 12 becomes unable to operate due to an unexpected situation, the operation target device is automatically decelerated when the deadman switch 18 is released. Since the safety function to stop is provided, the reliability at the time of driving operation is improved.
[0061]
Furthermore, by replacing the handy terminal 1 with a cart-type terminal, the portability is improved, and the application range can be expanded and effectively used.
[0062]
Although the present invention has been described with reference to the illustrated embodiment, the present invention is not limited to this embodiment, and it goes without saying that various modifications may be made to the specific structure within the scope of the present invention. Absent.
[0063]
【The invention's effect】
As mentioned above, according to invention of Claim 1 of this application, setting of a stage apparatus , Driving Made A handy terminal that issues a wireless LAN command having a function, an access point that is a receiver that receives the command of the handy terminal, a wirelessly-operated host PC, and the access point and the wirelessly-operated host PC A wireless operation LAN for performing communication, and the handy terminal includes a liquid crystal display, operation keys, operation switches, a wireless communication antenna and a battery; Includes current position display, selection of driving equipment for the stage device, and driving operation The setting items of all devices can be displayed for each operating device. Give instructions to the wireless LAN In addition to providing commands to the wireless LAN in addition to the operation panel that can communicate with the handy terminal, restrictions on the devices that can be set for operation with the handy terminal using the operation panel, allocation of devices and operating ranges that are operated with the handy terminal In addition, the wireless operation host PC is also connected to the control PLC, and the handy terminal, the host PC, and the control PLC transmit a communication confirmation counter at regular intervals during each operation, and the handy terminal When Above Since the wireless operation system of the stage device is configured such that the communication confirmation counter can be exchanged between the wirelessly operated host PC and between the wirelessly operated host PC and the control PLC, the handset terminal commands Is received at the access point and transmitted to the wirelessly operated host PC via the wirelessly operated LAN, and the stage device is operated under the desired settings and driving operations, taking into account troublesome connection cable routing on the stage surface, etc. In addition, it is possible to obtain a wireless operation system for a suitable stage apparatus that can be freely operated from an optimal operation place.
[0064]
In addition to the above, the handy terminal includes a liquid crystal display, operation keys, operation switches, a wireless communication antenna and a battery, Includes current position display, selection of driving equipment for the stage device, and driving operation Since the setting items of all devices are configured to be displayed for each operating device, the operator who owns the handy terminal is not constrained by the operation panel due to the literally handy type handy terminal configured as described above. Regardless of the location of the theater or stage, it is possible to quickly operate fine adjustments of the stage equipment while accurately reflecting the instructions of the director / stage director, so that the stage equipment can be operated safely and quickly. It is possible to obtain a wireless operation system for a suitable stage apparatus.
[0065]
Also, In addition to the above Along with the handy terminal, it provides a command to the wireless LAN and has an operation panel that can communicate with the handy terminal. The operation panel can be set to operate with the handy terminal. Range allocation can be performed In Because it is configured, by restricting the devices that can be set for operation with the handy terminal and assigning the devices to be operated and the operation range from the operation panel, the handy terminal can be used by non-operators while the operator is using the operation panel. However, it is possible to prevent accidents from occurring and to enable a person other than the operator to operate the device simply by pressing the operation switch. Thus, a wireless operation system for a stage apparatus suitable for expanding the width could be obtained.
[0066]
And Also, In addition to the above, The host PC for wireless operation is also connected to the control PLC, and the handy terminal , Host PC and control PLC Respectively of Fixed period during operation In The counter for confirmation The communication confirmation counter is exchanged between the handy terminal and the wirelessly operated host PC and between the wirelessly operated host PC and the control PLC. Comparable In Because it is configured Between the handy terminal and the wirelessly operated host PC and between the wirelessly operated host PC and the control PLC, The communication confirmation counter Send and receive By comparing the wireless communication host PC and the handy terminal, the wireless operation host PC and the control PLC are consistent with each other. As a result, the operation command output to the control PLC is stopped and the operation target device is automatically decelerated and stopped to ensure safety, and a wireless operation system for a suitable stage apparatus can be obtained.
[0067]
Claims 2 According to the invention described in claim 1, the claim 1 In the invention described in the above, since the handy terminal constitutes a wireless operation system of a stage apparatus provided with a deadman switch for enabling the operation operation of the handy terminal, installation of the deadman switch in the handy terminal Therefore, when the operator becomes unable to operate due to unforeseen circumstances, releasing the Detman switch automatically decelerates and stops the operation target device, and a wireless operation system for a suitable stage device with an enhanced safety function can be obtained. It is a thing.
[0068]
Furthermore, the claims 3 According to the invention described in claim 1, the claim 1 In the invention described in the above, the handy terminal constitutes a wireless operation system for a stage device that is a cart type mounted on a moving cart instead of a handy type that is held by an operator. The so-called handy type can be replaced with a cart type mounted on a mobile cart, thereby improving the portability of the handy terminal, changing the scope of application, and extending the range, and providing a wireless operation system for a suitable stage device. I was able to get it.
[Brief description of the drawings]
FIG. 1 shows the implementation of the present invention. Basic assumption of form It is a schematic explanatory drawing of the wireless operation system of the stage device which concerns on a form.
FIG. 2 Basic It is the whole conceptual diagram of the wireless operation system of the stage device in form.
FIG. 3 Basic It is the schematic of the handy terminal in a form.
FIG. 4 Basic 3 is a data flow diagram of the wireless operation system of the stage apparatus in the embodiment.
FIG. 5 shows the implementation of the present invention. one Wireless operation system for stage equipment related to form in It is a conceptual diagram which shows the communication status confirmation method.
FIG. 6 one It is a key map of a cart type terminal in form.
FIG. 7 is a schematic explanatory diagram of a conventional stage apparatus operating system.
[Explanation of symbols]
1 Handy terminal
2 access points
2A access point
2B access point
3 LAN
4 Host PC
5 Control network
6 Operation panel
7 Control PLC
8 Motor
9 Baton
10 Stage director
11 Monitor
12 Operator
13 Liquid crystal display
14 Operation keys
15 Operation switch
16 Wireless communication antenna
17 battery
18 Deadman switch

Claims (3)

Setting stage device, a handy terminal that issues a command of a wireless LAN having the function of driving operation, the access point is a receiver for receiving a command for the handy terminal, and the host PC wireless operation, and the access point A wireless operation LAN for performing communication with a host PC for wireless operation, wherein the handy terminal includes a liquid crystal display, operation keys, a driving switch, a wireless communication antenna and a battery, and the stage device the current position display, and selection of the operating device of the stage device, to be displayed for each setting item is operated devices for all devices including the driving operation, also, in parallel with the give command from the handy terminal to the wireless LAN Provides operation panel that gives commands to the wireless LAN and can communicate with the handy terminal. It is possible to limit the devices that can be set to be operated by the handy terminal, assign the devices to be operated by the handy terminal and the operation range, and the host PC for the wireless operation is also connected to the control PLC. , and control the PLC transmits the communication confirmation counter at a predetermined period during each driving operation, between said handy terminal the wireless operation of the host PC, between the wireless operation of the host PC and the control PLC, the communication confirmation A wireless operation system for stage equipment, characterized in that counters can be sent and received and compared.  The wireless operation system for a stage apparatus according to claim 1, wherein the handy terminal further includes a deadman switch for enabling the operation of the handy terminal.  The wireless operation system for a stage apparatus according to claim 1, wherein the handy terminal is a cart type mounted on a moving cart instead of a handy type handheld by an operator.

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